docs: align consolidated solver workflow

phases/linear-static-mitc4-shell/step12.md

@@ -10,13 +10,13 @@
 - `/.agents/skills/harness/SKILL.md`, `/.codex/skills/fesa-cpp-msvc-tdd/SKILL.md`
 - `/AGENTS.md`, `/docs/PRD.md`, `/docs/ARCHITECTURE.md`, `/docs/ADR.md`
 - `/docs/HARNESS.md`, `/docs/HARNESS_WORKFLOW.md`, `/.codex/hooks.json`
-- `/docs/implementation-plans/linear-static-mitc4-shell-implementation-plan.md`
-- `/docs/requirements/linear-static-mitc4-shell.md` Requirements 024-030/051/057
-- `/docs/research/linear-static-mitc4-shell-research.md`
-- `/docs/formulations/mitc4-shell-formulation.md`
-- `/docs/numerical-reviews/linear-static-mitc4-shell-review.md`
-- `/docs/io-definitions/linear-static-mitc4-shell-io.md` CLI/diagnostic contract
-- `/docs/reference-models/linear-static-mitc4-shell-reference-models.md`
+- `/docs/linear-static-mitc4-shell/implementation-plan.md`
+- `/docs/linear-static-mitc4-shell/requirements.md` Requirements 024-030/051/057
+- `/docs/linear-static-mitc4-shell/research.md`
+- `/docs/linear-static-mitc4-shell/formulation.md`
+- `/docs/linear-static-mitc4-shell/numerical-review.md`
+- `/docs/linear-static-mitc4-shell/io.md` CLI/diagnostic contract
+- `/docs/linear-static-mitc4-shell/reference-model.md`
 - phase indexes, `step12.md`, completed Steps 7-11 paths and summaries
 - `/include/fesa/analysis/linear_static_analysis.hpp`
 - `/src/fesa/analysis/linear_static_analysis.cpp`